Biodiversity

Exploring a Unique Biodiversity Hotspot In the Gulf of Maine

Cashes Ledge is a wild, special place in the heart of the Gulf of Maine. This underwater mountain range is home to a great diversity of life, with colors typically associated with a coral...
A "reef hotel" made of PVS layers on the seafloor.

Worth the Investment: Ocean Real Estate Reveals Hidden Diversity

Nancy Knowlton, Smithsonian's Sant Chair for Marine Science, puts out an Autonomous Reef Monitoring Structure (ARMS) during a dive in the Red Sea. Credit: Michael Berumen Good real estate is hard to find. This...

Art Forms in Nature: Marine Species From Ernst Haeckel

Today’s discoveries about our planet’s biological diversity build upon the research of previous generations of scientists. The Biodiversity Heritage Library (BHL) is a digital library committed to providing free and open access to this...

Cashes Ledge

Cashes Ledge is an underwater mountain range off the New England coast, which is home to a great diversity of life. Because the rocky and steep peaks almost reach the surface in some areas,...

Connecting Coral Reefs

Coral reefs are some of the most endangered ecosystems on the planet that are home to beautiful wildlife and provide food to many people living on the coast. So how do you protect the...
Venomous Box Jelly from South Carolina

Pinning Down the Jellyfish

Credit: Bastian Bentlage Depending on whom you talk to, jellyfish are either fascinating, a nuisance, a toxic menace, or some combination of the above. Jellyfish plop into the media spotlight when their presence causes...
Hawaiian Monk Seal

Backbone of Biodiversity at Risk

The International Union for the Conservation of Nature ( IUCN ) maintains the Red List of Threatened Species , an inventory of the global conservation status of plants and animals. In a 2010 study...
A zoomed-in image of the crown-of-thorns sea star.

A Plague of Sea Stars

Scientists have been studying why populations of crown-of-thorns sea stars ( Acanthaster planci ) have mushroomed in recent decades. Coral reefs can suffer when the sea star's numbers explode; the echinoderm has a healthy...

Coral Reefs Changing Over Time

How do we know what coral reefs looked like hundreds of years ago? Often times, we are simply left wondering. Scientists can get an idea from naturalist recordings, but there are many unknowns and...